322 Frameworks Spring Boot Testing Integration Tests Agent Skill

Use when you need to write or improve integration tests — including Testcontainers with @ServiceConnection, @DataJdbcTest persistence slices, TestRestTemplate or MockMvcTester for HTTP, data isolation, and container lifecycle management for Spring Boot 4.0.x. This should trigger for requests such as Review Java code for Spring Boot integration tests; Apply best practices for Spring Boot integration tests in Java code; Write @SpringBootTest integration tests with Testcontainers; Configure dynamic properties for Spring integration tests; Review Spring Boot integration test profiles. Part of Plinth Toolkit

11k tokens

context cost

the whole folder, loaded on every use

files

instructions only

copies elsewhere

how many repositories repackaged it

423

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/jabrena/plinth --skill 322-frameworks-spring-boot-testing-integration-tests

The instruction itself

5 sections, as written by the author

Spring Boot Integration Testing

Apply Spring Boot integration testing guidelines for Spring Boot 4.0.x.

What is covered in this Skill?

Integration test scope and purpose (verify wiring and contracts, not unit-test duplication)
Testcontainers with @ServiceConnection for zero-config wiring (preferred)
@DynamicPropertySource as fallback for containers without built-in service connection support
Static @Container instances shared across test methods for performance
MockMvcTester for fluent AssertJ-based HTTP assertions (Spring Boot 4.0.x)
TestRestTemplate for full HTTP stack testing
@DataJdbcTest / @DataJpaTest persistence slices (load only persistence layer, start faster)
Data isolation: each test owns its scenario; no shared mutable state or ordering assumptions
@MockitoBean for mock registration (Spring Boot 4.0.x — @MockBean removed)
Resource lifecycle: Testcontainers JUnit integration for teardown; *IT / integration test separation

Scope: Apply recommendations based on the reference rules and good/bad code examples.

Constraints

Before applying any integration test changes, ensure the project compiles. If compilation fails, stop immediately. After applying improvements, run full verification.

MANDATORY: Run ./mvnw compile or mvn compile before applying any change
SAFETY: If compilation fails, stop immediately
VERIFY: Run ./mvnw clean verify or mvn clean verify after applying improvements
BEFORE APPLYING: Read the reference for detailed rules and good/bad patterns
EDGE CASE: If request scope is ambiguous, stop and ask a clarifying question before applying changes
EDGE CASE: If required inputs, files, or tooling are missing, report what is missing and ask whether to proceed with setup guidance

When to use this skill

Review Java code for Spring Boot integration tests
Apply best practices for Spring Boot integration tests in Java code
Write @SpringBootTest integration tests with Testcontainers
Configure dynamic properties for Spring integration tests
Review Spring Boot integration test profiles

Workflow

Read reference and assess project context

Read references/322-frameworks-spring-boot-testing-integration-tests.md and inspect the current project setup before proposing changes.

Gather scope and decide target improvements

Identify requested outcomes, constraints, and the minimum safe set of changes to apply.

Apply framework-aligned changes

Implement or refactor configuration/code following the reference patterns and project conventions.

Run verification and report results

Execute appropriate build/tests and summarize what changed, what was verified, and any follow-up actions.

Reference

For detailed guidance, examples, and constraints, see references/322-frameworks-spring-boot-testing-integration-tests.md.

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How to use it

Copy the folder

Take jabrena/322-frameworks-spring-boot-testing-integration-tests from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

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